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2023, Volume 20, Issue 2  


Mathematical logic, algebra and number theory
On graphs that are not equationally Noetherian
I. M. Buchinskiy, A. V. Treyer
580–587
Spherical orders, properties and countable spectra of their theories
B. Sh. Kulpeshov, S. V. Sudoplatov
588–599
Minimality conditions, topologies, and ranks for spherically ordered theories
S. V. Sudoplatov
600–615
\large Equationally Noetherian varieties of semigroups and B. Plotkin's problem
A. N. Shevlyakov
724–734
Finite groups with formational subnormal primary subgroups of bounded exponent
V. S. Monakhov, I. L. Sokhor
785–796
On profinite polyadic groups
M. Shahryari, M. Rostami
814–823
Algebras of binary formulas for $\aleph_0$-categorical weakly circularly minimal theories: piecewise monotonic case
B. Sh. Kulpeshov
824–832
Quasi-definite primitive axial algebras of Jordan type half
I. B. Gorshkov, V. Yu. Gubarev
833–846
One corollary of description of finite groups without elements of order $6$
A. S. Kondrat'ev, M. S. Nirova
854–858
Constant expansion of theories and the number of countable models
B. S. Baizhanov, O. A. Umbetbayev
1037–1051
Finite simple groups with two maximal subgroups of coprime orders
N. V. Maslova
1150–1159

Mathematical life
A.D. Taimanov's theorems
I. A. Taimanov
1160–1184

Mathematical logic, algebra and number theory
On equivalence classes of matrices over a finite field of odd characteristic
E. V. Zhuravlev
1200–1210
On positive completeness and positively closed sets of multifunctions of rank $2$
I. K. Sharankhaev
1313–1319
On the computability of ordered fields
M. V. Korovina, O. V. Kudinov
1341–1360
Linear step-like logic of knowledge $\mathcal{LTK}.{sl}$
S. I. Bashmakov, T. Yu. Zvereva
1361–1373
On submaximal ultraclones of self-dual hyperfunctions of rank $2$
S. A. Badmaev, I. K. Sharankhaev
1374–1380
Complexes of relational structures and their properties
I. A. Emelianenkov
1381–1385
Simple Novikov–Poisson algebras
A. S. Zakharov
1396–1404
On the existence of nef-partitions for smooth well-formed Fano weighted complete intersections
M. A. Ovcharenko
1405–1419
Seven-dimensional real and complex unsolvable Lie algebras
N. P. Mozhey
1443–1463
On weakly $\mathrm{tcc}$-subgroups of finite groups
A. Trofimuk
1464–1473
Effectively infinite classes of numberings and fixed point theorems
M. Kh. Faizrahmanov
1519–1536
Multivalued groups and Newton polyhedron
V. G. Bardakov, T. A. Kozlovskaya
1590–1596
Binary $(-1,1)$-bimodules over semisimple algebras
S. V. Pchelintsev
1605–1625

Probability theory and mathematical statistics
Stability and instability of a random multiple access system with an energy harvesting and self-discharge mechanism
A. V. Rezler, M. G. Chebunin
735–754
On functional limit theorems for branching processes with dependent immigration
S. O. Sharipov
755–772
Limit theorems for forward and backward processes of numbers of non-empty urns in infinite urn schemes
M. G. Chebunin, A. P. Kovalevskii
913–922
On the moderate deviation principle for $m$-dependent random variables with sublinear expectation
E. V. Efremov, A. V. Logachov
961–980
Study of characteristics of the CUSUM procedure in a change point problem
V. I. Lotov, A. S. Tarasenko
987–1000
On the distribution of the crossing number of a strip by trajectories of a stochastic process with independent increments
V. I. Lotov, V. R. Khodjibaev
1013–1025

Geometry and topology
Complex and symplectic geometry of vector bundle manifolds
M. T. K. Abbassi, R. El Masdouri, I. Lakrini
1295–1312

Discrete mathematics and mathematical cybernetics
Feynman checkers with absorption
M. D. Dmitriev
626–637
Test fragments of perfect colorings of circulant graphs
M. A. Lisitsyna, S. V. Avgustinovich
638–645
Edge $4$-critical Koester graph of order $28$
A. A. Dobrynin
847–853
Approximation algorithms for 2-PSP-2W-max and 2-CC-2W-max
A. N. Glebov, S. S. Lylova, S. G. Toktokhoeva
923–941
Multidimensional threshold matrices and extremal matrices of order $2$
A. A. Taranenko
1052–1063
Linear and additive perfect codes over skew fields and quasi skew fields
S. A. Malyugin
1093–1107
$L_{\infty}$ norm minimization for nowhere-zero integer eigenvectors of the block graphs of Steiner triple systems and Johnson graphs
E. A. Bespalov, I. Yu. Mogilnykh, K. V. Vorob'ev
1125–1149
On reduction for eigenfunctions of graphs
A. Valyuzhenich
1290–1294
On the structure of one class of perfect $\Pi$-partitions
K. L. Rychkov
1499–1518

Differentical equations, dynamical systems and optimal control
Resonance in oscillators with nonlinearity manifested at intermediate amplitudes
E. Pelinovsky, I. Melnikov
616–625
Homogenized acoustic equations for a layered medium consisting of a viscoelastic material and a viscous compressible fluid
V. V. Shumilova
711–723
Flows of quasi-classical trajectories and asymptotics solutions of the Schrödinger equation
V. V. Khablov
773–784
Integration of the loaded mKdV-sine-Gordon equation with a source
U. A. Hoitmetov
859–879
A Radon type transform related to the Euler equations for ideal fluid
V. A. Sharafutdinov
880–912
A variational inequality for the Sturm–Liouville problem with discontinuous nonlinearity
D. K. Potapov
981–986
Algebraic ovals and rational integrals of Darboux-type systems
E. P. Volokitin, V. M. Cheresiz
1108–1124
Spectrum of a problem about the flow of a polymeric viscoelastic fluid in a cylindrical channel (Vinogradov-Pokrovski model)
D. L. Tkachev, E. A. Biberdorf
1269–1289
Stationary solutions of a boundary value problem for equations of barotropic flow of multicomponent media
A. E. Mamontov, D. A. Prokudin
1490–1498
The exact solutions for the flow of liquid polymer with variable discharge in the flat channel with permeable walls
R. E. Semenko, G. N. Shukurov
1537–1551
The problem on small motions of a mixture of viscous compressible fluids
D. A. Zakora
1552–1589
Solvability of a regularized boundary value problem of chaotic dynamics of a polymer molecule
V. N. Starovoitov
1597–1604

Computational mathematics
Performance preserving equivalence for stochastic process algebra dtsdPBC
I. V. Tarasyuk
646–699
Mathematical model of economic dynamics in an epidemic
A. Boranbayev, N. Obrosova, A. Shananin
797–813
Discretization of Boltzmann equation with finite volume method and explicit-implicit schemes
K. N. Volkov, V. N. Emelyanov, A. V. Pustovalov
942–960
On the convergence of locally one-dimensional schemes for the differential equation in partial derivatives of fractional orders in a multidimensional domain
A. K. Bazzaev
1064–1078
Localization of discontinuity surfaces of the scattering coefficient according to the time-angular distribution of the radiation flux density
P. A. Vornovskikh, I. V. Prokhorov
1079–1092
On mathematical models of COVID-19 pandemic
O. I. Krivorotko, S. I. Kabanikhin
1211–1268
Application of a Taylor series to approximate a function with large gradients
A. I. Zadorin
1420–1429
On the reconstruction of the absorption coefficient for the 2D acoustic system
M. A. Shishlenin, N. A. Savchenko, N. S. Novikov, D. V. Klyuchinskiy
1474–1489
Phase control of the power of a floating wave power plant
A. B. Darienkov, M. V. Zhelonkin, A. A. Kurkin, A. S. Plekhov
1626–1641

Real, complex and functional analysis
Multidimensional Hermite interpolation
M. E. Durakov, E. K. Leinartas, A. K. Tsikh
700–710
Laguerre expansions of $C-$regularized semigroups Functions
Y. Bajjou, A. Blali, A. El Amrani
1001–1012
Inverse spectral problem for an antisymmetric tridiagonal matrix
A. I. Gudimenko
1026–1036
Multivalued quasimöbius property and bounded turning
N. V. Abrosimov, V. V. Aseev
1185–1199
Gaussian semigroups of operators in the space of Borel functions on a separable Hilbert space
O. E. Galkin, S. Yu. Galkina, I. Yu. Yastrebova
1320–1340
Stability condition and Riesz bounds for exponential splines
E. V. Mishchenko
1430–1442
 
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